When a young soldier, newly returned from war, gets caught up in a drug bust, he is recruited by the authorities to go undercover in a notoriously dangerous prison in order to figure out what is really going on.
The film follows the story of Carter, a lone werewolf fighting for survival in a world overrun by zombies. Taking vengeance for his murdered family, he spends his days hunting down the living dead for sport, until he finds new purpose after saving the lives of two humans seeking a rumoured sanctuary for survivors. However, despite Carter now joining them on their journey as a p...